private void PopulateArtistTree()
{
ArtistTree.Clear();
ArtistTreeController.MultiSelection.Clear();
foreach (string artist in m_DataModel.Database.Artists)
{
ArtistTreeViewNode artistNode = new ArtistTreeViewNode(artist, null, ArtistTreeController);
foreach (AlbumMetadata album in m_DataModel.Database.AlbumsByArtist(artist))
{
AlbumMetadataTreeViewNode albumNode = new AlbumMetadataTreeViewNode(album, artistNode, ArtistTreeController);
artistNode.AddChild(albumNode);
foreach (SongMetadata song in m_DataModel.Database.SongsByAlbum(album))
{
SongMetadataTreeViewNode songNode = new SongMetadataTreeViewNode("", song, albumNode, ArtistTreeController);
albumNode.AddChild(songNode);
}
}
ArtistTree.Add(artistNode); // Insert now that branch is fully populated.
}
int id = 0;
foreach (TreeViewNode baseNode in ArtistTree)
{
id = AssignTreeViewNodeIDs(baseNode, id);
}
}
public void ShowSongsInArtistTree(IEnumerable <SongMetadata> selectedSongs)
{
ISet <string> selectedArtists = new SortedSet <string>();
ISet <AlbumMetadata> selectedAlbums = new SortedSet <AlbumMetadata>();
ISet <string> selectedSongPaths = new SortedSet <string>(StringComparer.Ordinal);
foreach (SongMetadata song in selectedSongs)
{
if (song.IsLocal)
{
selectedArtists.Add(song.Artist);
selectedAlbums.Add(new AlbumMetadata(song.Artist, song.Album, null));
selectedSongPaths.Add(song.Path);
}
}
ArtistTreeController.ClearMultiSelection();
foreach (TreeViewNode rootNode in ArtistTreeController.RootLevelNodes)
{
ArtistTreeViewNode artistNode = rootNode as ArtistTreeViewNode;
artistNode.IsExpanded = false;
if (selectedArtists.Contains(artistNode.Artist))
{
artistNode.IsExpanded = true;
foreach (TreeViewNode midNode in artistNode.Children)
{
AlbumMetadataTreeViewNode albumNode = midNode as AlbumMetadataTreeViewNode;
albumNode.IsExpanded = false;
if (selectedAlbums.Contains(albumNode.Album))
{
albumNode.IsExpanded = true;
foreach (TreeViewNode leafNode in albumNode.Children)
{
SongMetadataTreeViewNode songNode = leafNode as SongMetadataTreeViewNode;
if (selectedSongPaths.Contains(songNode.Song.Path))
{
songNode.IsMultiSelected = true;
}
}
}
}
}
}
}